package com.example.fixsys.common;

import java.io.*;

public class ImageUtil {

    // 读取本地图片获取输入流
    public static FileInputStream readImage(String path) throws FileNotFoundException {
        return new FileInputStream(new File(path));
    }

    // 读取表中图片获取输入流
    public static void readBin2Image(InputStream in, String targetPath){
        File file = new File(targetPath);
        String path = targetPath.substring(0, targetPath.lastIndexOf("/"));
        if(!file.exists()){
            new File(path).mkdir();
        }
        FileOutputStream fos = null;
        try {
            fos = new FileOutputStream(file);
            int len = 0;
            byte[] buf = new byte[1024];
            while ((len = in.read(buf)) != -1){
                fos.write(buf, 0, len);
            }
            fos.flush();
        }
        catch (Exception e){
            e.printStackTrace();
        }
        finally {
            if(null != fos){
                try {
                    fos.close();
                }
                catch (IOException e){
                    e.printStackTrace();
                }
            }
        }
    }
}
